Hadar

Betelgeuse

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betelgeuse star,alpha orionis

Betelgeuse, Alpha Orionis (α Ori), is a red supergiant star of the spectral type M1-2 located in the constellation Orion, the Hunter.  It has an… Read More »Betelgeuse

Achernar

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achernar star,alpha eridani

Achernar, Alpha Eridani (α Eri), is a class B hydrogen-fusing dwarf located in the constellation Eridanus. Its estimated luminosity is 3,150 times that of the… Read More »Achernar

Altair

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altair star,alpha aquilae

Altair, Alpha Aquilae (α Aql), is a white main sequence star located at a distance of 16.73 light years from Earth in the constellation Aquila,… Read More »Altair